Round|Natural|GIA

2.09ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2176462345

Certificate GIA 2176462345

Diamond specifications and retailer prices

From $38,635 AUD
$27,139 USD
As of October 29, 2026
Save $14,033 AUD (27%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $72,879 AUD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 2.09ct natural round diamond

This 2.09ct natural round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2176462345. Listed at 13 retailers as of October 29, 2026, with a 36% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2176462345
Dimensions8.24 × 8.20 × 5.08 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.24 mm8.20 mm2.09 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2176462345
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $41,993 AUD|Low: $38,635 AUD|High: $52,669 AUD|Avg: $43,780 AUD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 4$38,635 AUD
Retailer 3$38,800 AUD
Retailer 1$41,993 AUD
Retailer 5$45,228 AUD
Retailer 2$52,669 AUD

46 data points across 5 retailers

13 retailers$38,635 AUD to $52,669 AUD

B+
Cheapest Retailer
-
$38,635 AUD
$27,139 USD
Retailer 2
-
$38,800 AUD
$27,255 USD
View
Price last confirmed 9 days ago
B
Retailer 3
-
$40,805 AUD
$28,663 USD
View
B
Retailer 4
-
$41,563 AUD
$29,196 USD
View
B+
Retailer 5
-
$41,993 AUD
₹2,809,338 INR
View
B
Retailer 6
-
$42,186 AUD
CA$41,157 CAD
View
B
Retailer 7
-
$45,228 AUD
$31,770 USD
View
B
Retailer 8
-
$46,765 AUD
$32,850 USD
View
B
Retailer 9
-
$46,765 AUD
$32,850 USD
View
B
Retailer 10
-
$52,218 AUD
$36,680 USD
View
B
Retailer 11
-
$52,314 AUD
$36,748 USD
View
B
Retailer 12
-
$52,669 AUD
€35,235 EUR
View
Most Expensive
Diamond Quarter
2.09SI1D214522E6N · Oct 29
$72,879 AUD
£40,310 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $38,635 AUDSave up to $14,033 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
2.09ct Round
$38,635 AUD